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red-cpu-25099

02/12/2016, 6:49 PM
@witty-crayon-22786: I'm more saying to make a clear line/interface between `Node`s and engine. For me it's looks like current
Node
interface (basically `subject`+`product`+`step`) perfectly suits for this place, and
SelectNode
etc is just another concrete types of nodes which have some semantic, but basically executed in engine through
Node
interface.